//////////////////////////////////////////////////////////////////////////////
//
//  Created by Philip Mulcahy on 31/12/2012.
//  Copyright (c) 2012 Philip Mulcahy. All rights reserved.
//
//  This file is part of the note-recog library.
//
//  note-recog is free software: you can redistribute it and/or modify
//  it under the terms of version 3 of the GNU Lesser General Public License 
//  as published by the Free Software Foundation.
//
//  note-recog is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with note-recog. If not, see <http://www.gnu.org/licenses/>.
//
//////////////////////////////////////////////////////////////////////////////

#ifndef note_recog_IEventListener_h
#define note_recog_IEventListener_h

template<typename EventType>
class IEventListener
{
public:
    virtual void onEvent(const EventType&) = 0;
};


template<typename EventType>
class NullListener : public IEventListener<EventType>
{
public:
    virtual void onEvent(const EventType&){}
};

#endif
